Home / 783,715.60-1,175,573.40-192,739.60

Finding the Fourth Proportional to 783,715.60, 1,175,573.40 and 192,739.60

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Solution

The fourth proportional to 783,715.60, 1,175,573.40 and 192,739.60 is: 289,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,715.60 : 1,175,573.40 = 192,739.60 : x
  2. Step 2: Convert to fraction form
    783,715.60/1,175,573.40 = 192,739.60/x
  3. Step 3: Cross multiply
    783,715.60x = 1,175,573.40 × 192,739.60
  4. Step 4: Simplify right side
    783,715.60x = 226,579,546,886.64
  5. Step 5: Solve for x
    x = 226,579,546,886.64/783,715.60
  6. Step 6: Final answer
    x = 289,109.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.